FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

temperature conditional hypomorphic allele

ID (Ontology)

FBcv:0000751 (FlyBase CV)

Definition

An allele that, at some temperatures but not others, makes a gene product that is functionally equivalent to wild-type but in a lesser amount or with lowered activity.[ FlyBase:FBrf0002371 FlyBase:FBrf0049147 ]

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	ALLELE_CLASS
Alleles (FBal)	PROMOTED_CLASS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles
temperature conditional hypomorphic allele (all annotations which use CV term, excluding "NOT" statements)

Spanning Tree (Parents/Children)

loss of function allele
 |__hypomorphic allele_______________________________
 |__temperature conditional loss of function allele__|
                                                     temperature conditional hypomorphic allele  62 rec.
                                                      |__cold sensitive hypomorphic allele 7 rec.
                                                      |   |__cold sensitive hypomorphic allele - genetic evidence 6 rec.
                                                      |   |__cold sensitive hypomorphic allele - molecular evidence 1 rec.
                                                      |__heat sensitive hypomorphic allele 50 rec.
                                                      |   |__heat sensitive hypomorphic allele - genetic evidence 49 rec.
                                                      |   |__heat sensitive hypomorphic allele - molecular evidence 1 rec.
                                                      |__temperature conditional hypomorphic allele - genetic evidence 56 rec.
                                                      |   |__cold sensitive hypomorphic allele - genetic evidence 6 rec.
                                                      |   |__heat sensitive hypomorphic allele - genetic evidence 49 rec.
                                                      |__temperature conditional hypomorphic allele - molecular evidence 2 rec.
                                                          |__cold sensitive hypomorphic allele - molecular evidence 1 rec.
                                                          |__heat sensitive hypomorphic allele - molecular evidence 1 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	hypomorphic allele temperature conditional loss of function allele
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts